SOLAR NANTENNA ELECTROMAGNETIC COLLECTORS

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This research explores a new efficient approach for producing electricity from the abundant energy of the sun. A nanoantenna electromagnetic collector (NEC) has been designed, prototyped, and tested. Proof of concept has been validated. The device targets mid-infrared wavelengths where conventional photovoltaic (PV) solar cells do not respond but is abundant in solar energy. The initial concept of designing NEC antennas was based on scaling of radio frequency antenna theory. This approach has proven unsuccessful by many due to not fully understanding and accounting for the optical behavior of materials in the THz region. Also until recent years the nanofabrication ... continued below

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Novack, Steven D.; Kotter, Dale K.; Slafer, Dennis & Pinhero, Patrick August 1, 2008.

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Description

This research explores a new efficient approach for producing electricity from the abundant energy of the sun. A nanoantenna electromagnetic collector (NEC) has been designed, prototyped, and tested. Proof of concept has been validated. The device targets mid-infrared wavelengths where conventional photovoltaic (PV) solar cells do not respond but is abundant in solar energy. The initial concept of designing NEC antennas was based on scaling of radio frequency antenna theory. This approach has proven unsuccessful by many due to not fully understanding and accounting for the optical behavior of materials in the THz region. Also until recent years the nanofabrication methods were not available to fabricate the optical antenna elements. We have addressed and overcome both technology barriers. Several factors were critical in successful implementation of NEC including: 1) frequency-dependent modeling of antenna elements, 2) selection of materials with proper THz properties and 3) novel manufacturing methods that enable economical large-scale manufacturing. The work represents an important step toward the ultimate realization of a low-cost device that will collect as well as convert this radiation into electricity, which will lead to a wide spectrum, high conversion efficiency, and low cost solution to complement conventional PVs.

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  • 2nd International Conference on Energy Sustainability,Jacksonville, FL,08/10/2008,08/14/2008

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  • Report No.: INL/CON-08-13925
  • Grant Number: DE-AC07-99ID-13727
  • Office of Scientific & Technical Information Report Number: 934544
  • Archival Resource Key: ark:/67531/metadc895407

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • August 1, 2008

Added to The UNT Digital Library

  • Sept. 27, 2016, 1:39 a.m.

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  • Dec. 7, 2016, 9:28 p.m.

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Novack, Steven D.; Kotter, Dale K.; Slafer, Dennis & Pinhero, Patrick. SOLAR NANTENNA ELECTROMAGNETIC COLLECTORS, article, August 1, 2008; [Idaho Falls, Idaho]. (digital.library.unt.edu/ark:/67531/metadc895407/: accessed December 11, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.